Home / 13,327.70-19,991.55-13,133.30

Finding the Fourth Proportional to 13,327.70, 19,991.55 and 13,133.30

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Solution

The fourth proportional to 13,327.70, 19,991.55 and 13,133.30 is: 19,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.70 : 19,991.55 = 13,133.30 : x
  2. Step 2: Convert to fraction form
    13,327.70/19,991.55 = 13,133.30/x
  3. Step 3: Cross multiply
    13,327.70x = 19,991.55 × 13,133.30
  4. Step 4: Simplify right side
    13,327.70x = 262,555,023.62
  5. Step 5: Solve for x
    x = 262,555,023.62/13,327.70
  6. Step 6: Final answer
    x = 19,699.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.